Properties of Circles 8: Radians, Degrees, Area, Arc Length

What is 5π/6 radians in degrees?

• 180
• 150
• 360
• 120

Tags

CCSS.HSF.TF.A.1

What is 150 degrees in radians?

• 5π/6
• 7π/6
• 5π/4
• π/6

Tags

CCSS.HSF.TF.A.1

What is 3π/4 radians in degrees?

• 315
• 135
• 150
• 330

Tags

CCSS.HSF.TF.A.1

What is 90 degrees in radians? 

• π/4
• π/2
• π/6
• 3π/2

Tags

CCSS.HSF.TF.A.1

Find arc length

• 114π/5 ft

• 2850 ft

• 95π/6 ft

• 150π/19 ft

Tags

CCSS.HSG.C.B.5

Find the arc length.

• 3π/4 ft

• 39π/4 ft

• 13π/4 ft

• 4π/13 ft

Tags

CCSS.HSG.C.B.5

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.
• 10.5 sq. in.
• 31.4 sq. in.
• 38.2 sq. in.

Tags

CCSS.HSG.C.B.5

Find the area of the dark blue sector shown at the left.  The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units.  Express answer to the nearest tenth of a square unit.

• 0.3 square units
• 15.7 square units
• 19.7 square units
• 50.3 square units

Tags

CCSS.HSG.C.B.5

• 60^o

• 157^o

• 50^o

• 493^o

Tags

CCSS.HSG.C.B.5